Author
Geological Survey (U.S.)
21,830
United States Forest Service
1,473
United States Army Map Service
1,330
Tanzania Idara ya Upimaji na Ramani
1,143
Great Britain War Office. General Staff. Geographical Section
551
Soviet Union Sovetskai︠a︡ Armii︠a︡. Generalʹnyĭ shtab
507
Soviet Union Sovetskai͡a Armii͡a. Generalʹnyĭ shtab
497
Japan Rikuchi Sokuryōbu
323
United States Bureau of Land Management
282
Pennsylvania Bureau of Topographic and Geologic Survey
248
National Operations Center (U.S.)
231
Great Britain Ordnance Survey
216
United States Defense Mapping Agency
204
Institut géographique national (France)
200
Iowa Geological Survey
197
Inter American Geodetic Survey
186
Instituto Geográfico e Cadastral (Portugal)
185
Gannett, Henry, 1846-1914
176
Instituto Geográfico Militar (Guatemala)
175
Japan Rikugun. Sanbō Honbu
175
Great Britain Directorate of Overseas Surveys
171
U.S. Coast and Geodetic Survey
168
Instituto Geográfico Nacional (Guatemala)
163
Militärgeographisches Institut (Vienna, Austria)
160
Japan Rikuchi Sokuryōbu
155
DeLorme (Firm)
154
United States National Aeronautics and Space Administration
154
Soviet Union Glavnoe upravlenie geodezii i kartografii
140
Wisconsin Geological and Natural History Survey
136
Survey of Pakistan
131
Wisconsin Division of Highways
130
United States Defense Mapping Agency. Hydrographic/Topographic Center
119
East View Cartographic, Inc
113
United States Army. Corps of Engineers
113
Germany Heer. Abteilung für Kriegskarten- und Vermessungswesen
105
United States National Park Service
96
Louisiana Department of Transportation and Development
94
Planetary Geology Program (U.S.)
93
Vermeule, C. C (Cornelius Clarkson), 1858-1950
90
United States National Imagery and Mapping Agency
88
Soviet Union Sovetskai︠a︡ Armii︠a︡. Generalʹnyĭ shtab
87
United States Army. Office of the Chief of Engineers
84
North Carolina Geological Survey Section
83
France Armée. Service géographique
79
Instituto Geográfico Nacional (Spain)
79
Shrestha, Era
78
United States Forest Service. Pacific Northwest Region
78
Geological Survey of New Jersey
77
Survey of India
77
Geological Survey of Canada
76
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